/// A Postgres specific Grammar for compiling QueryBuilder statements
/// into SQL strings.
final class PostgresGrammar: Grammar {
    override func compileInsert(_ query: Query, values: [OrderedDictionary<String, Parameter>]) throws -> SQL {
        var initial = try super.compileInsert(query, values: values)
        initial.query.append(" returning *")
        return initial
    }
}
